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Finding the Fourth Proportional to 267,077.20, 399,838.20 and 259,301.20

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Solution

The fourth proportional to 267,077.20, 399,838.20 and 259,301.20 is: 388,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,077.20 : 399,838.20 = 259,301.20 : x
  2. Step 2: Convert to fraction form
    267,077.20/399,838.20 = 259,301.20/x
  3. Step 3: Cross multiply
    267,077.20x = 399,838.20 × 259,301.20
  4. Step 4: Simplify right side
    267,077.20x = 103,678,525,065.84
  5. Step 5: Solve for x
    x = 103,678,525,065.84/267,077.20
  6. Step 6: Final answer
    x = 388,196.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.